379697820 has 48 divisors (see below), whose sum is σ = 1077730080. Its totient is φ = 99864576.

The previous prime is 379697809. The next prime is 379697837. The reversal of 379697820 is 28796973.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38965 + ... + 47724.

It is an arithmetic number, because the mean of its divisors is an integer number (22452710).

Almost surely, 2^379697820 is an apocalyptic number.

379697820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

379697820 is an abundant number, since it is smaller than the sum of its proper divisors (698032260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

379697820 is a wasteful number, since it uses less digits than its factorization.

379697820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86774 (or 86772 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 379697820 is about 19485.8363946740. The cubic root of 379697820 is about 724.1235989548.

The spelling of 379697820 in words is "three hundred seventy-nine million, six hundred ninety-seven thousand, eight hundred twenty".